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PL
Głos jest narzędziem pracy w wielu profesjach, najliczniejszą zaś grupę ludzi zawodowo posługujących się głosem stanowią nauczyciele. Narażeni są oni na powstawanie zaburzeń głosu, które mogą wynikać z braku wiedzy i doświadczenia związanego z prawidłową emisją głosu oraz higieną pracy. Mimo coraz większej wiedzy i świadomości na temat konieczności prawidłowego posługiwania się głosem duży odsetek chorób narządu głosu stanowią schorzenia wynikające z nadmiernego i nieprawidłowego wysiłku głosowego. W artykule przedstawiono podsumowanie wstępnych wyników badań mających na celu ocenę wiedzy i doświadczenia nauczycieli z zakresu higieny głosu.
EN
Voice is a work instrument in many professions, especially in that of teaching. Teachers are prone to develop voice impairment that is likely to occur due to lack of practice in and familiarity with the voice production principles and occupational hygiene. In spite of growing understanding and awareness of the need to use one’s voice properly, a significant share of vocal apparatus disorders include complaints resulting from excessive and inappropriate vocal strain. The following article aims at summarizing preliminary results of a study oriented towards assessment of teachers’ knowledge and practice in the field of vocal hygiene.
EN
Aim: The purpose of this study was to show the characteristics of postural stability in the aging process of elderly people, using the stabilography method and risk assessment of falling occurring in this age group. Materials and methods: The overall study included 36 people engaged in the therapeutic process in Musculoskeletal Rehabilitation Centre in Krzeszowice ORNR. Their average age was 69,42 (± 7,12) years. The test consisted of unconstrained standing on the stabilograph platform for 30 seconds in different experimental conditions: (1) Unconstrained standing with open eyes, (2) Unconstrained standing with closed eyes, (3) Unconstrained standing with open eyes after 6 revolutions on the Barany’s chair. Results: This research showed that the posture of elderly people is characterized by higher values of displacement/COP lean in the sagittal plane rather than frontal plane. Furthermore, it demonstrated that limitations in impulses from sensory inputs (vestibular and visual system) result in an increase of oscillations of the stabilogram graphic curve. However, no strong link between the values of individual measurements (stabilogram) and the occurrence of fall was established. Conclusions: This study showed the usefulness of the stabilography method in describing the stability of the human body. Yet, in order to determine the objectivity of this method, further tests need to be done on larger sample groups and norms regarding people of different ages have to be elaborated. The results obtained in this research might however contribute towards the development of modern accident prevention programs.
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